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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5053) HCM Tests leak connections
Date Sat, 17 Dec 2011 00:36:30 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13171373#comment-13171373
] 

Hudson commented on HBASE-5053:
-------------------------------

Integrated in HBase-TRUNK #2552 (See [https://builds.apache.org/job/HBase-TRUNK/2552/])
    HBASE-5053 HCM Tests leak connections (N Keywal)

tedyu : 
Files : 
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java
* /hbase/trunk/src/test/java/org/apache/hadoop/hbase/client/TestHCM.java

                
> HCM Tests leak connections
> --------------------------
>
>                 Key: HBASE-5053
>                 URL: https://issues.apache.org/jira/browse/HBASE-5053
>             Project: HBase
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 0.94.0
>            Reporter: nkeywal
>            Assignee: nkeywal
>            Priority: Minor
>             Fix For: 0.94.0
>
>         Attachments: 5053.patch, 5053.v2.patch, 5053.v2.patch
>
>
> There are simple leaks and one more complex.
> The complex one comes from the fact fact HConnectionManager.HConnectionImplementation
keeps a *reference* to the configuration used for the creation. So if this configuration is
updated later, the HConnectionKey created initially will differ from the current one. As a
consequence, the close() will not find the connection anymore in the list, and the connection
won't be deleted.
> I added a warning when a close does not find the connection in the list; but I wonder
if we should not copy the HConnectionKey instead of keeping a reference.

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